Estimate of Median Household Income for Benton County, WA was 91289.00000 $ in January of 2024, according to the United States Federal Reserve. Historically, Estimate of Median Household Income for Benton County, WA reached a record high of 91289.00000 in January of 2024 and a record low of 32734.00000 in January of 1989. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate of Median Household Income for Benton County, WA - last updated from the United States Federal Reserve on April of 2026.